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Blood Pressure Monitoring Guide

Published:2015-09-28

Basically, blood pressure is a measure of the force against the walls of your arteries. Arterial blood pressure is constantly changing during the course of the heart’s cycle.

The highest pressure is called the Systolic Blood Pressure; the lowest the Diastolic Blood Pressure. Both pressure readings, are necessary to enable a doctor to evaluate the status of a patient’s blood pressure.

A reading between 135 mm Hg (millimetres of Mercury), Systolic and 85 mm Hg Diastolic is considered normal.

According to World Health Organisation, and International Society for Hypertension, blood pressure should normally be less than 140 / 90 mm Hg but above 120 / 80 mm Hg for an adult. Blood pressure that stays between 140 -160 / 90 – 95 is considered critical (mild Hypertension), and above this level (160 / 95 mm Hg or higher) is considered high (Hypertension). The values indicated above may differ by region and country.Obesity, alcohol, smoking, lack of exercise and the stress of life causes high blood pressure, also high blood pressure can be hereditary.

Without treatment, high blood pressure can lead to numerous health problems including heart attacks, kidney problems. It is also one of the most common causes of strokes.


To lower blood pressure, eat a balanced diet with fruit, fresh vegetables. Avoid animal fats and use less salt. 

Try to drink less alcohol and exercise more, stop smoking.

Irregular Heartbeat is a condition where the heartbeat rhythm varies by more than 25% from the average heartbeat detected while your unit is measuring the blood pressure.

Generally Blood Pressure Monitors have an irregular heartbeat detector. If such an irregular rhythm is detected, the irregular heartbeat symbol appears on the display. If this happens frequently during blood pressure measurement it is recommended that you discuss this with a healthcare professional.

There are are several reasons why you may have inconsistent readings. Many factors exist that can cause a variation in blood pressure measurement values, for example, recent activities or even the time of day can alter the reading. 

User’s technique is very important for reliable measurement results. Listed below are some of the common reasons you may see an inconsistent or inaccurate reading.

  • Blood Pressure Monitors are not intended for use during exercise or activity, you should avoid eating, smoking and exercising for at least 30 minutes before taking a measurement.
  • Before Taking a Measurement avoid eating, drinking alcohol, smoking, exercising, and bathing for 30 minutes and rest for 15 before starting the measurement. Avoid taking a measurement during stressful times. Take the measurement in a quiet place.
  • Sit in a chair with your feet flat on the floor. Rest your arm on a table with your palm facing upward. The cuff should be level with your heart. Do not talk or move during the measurement. 
  • Cuff Size is important to use the appropriate size cuff for your arm to obtain accurate measurement results when using your blood pressure monitor. If the incorrect cuff is used the result may be an inaccurate reading.
  • Proper cuff application also important to obtain correct measurements.

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